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Kristen

Questions (296)

Describe, in detail, how to make 5.5 liters of a 2.5 molar HCl solution from a 10.5 molar HCl stock solution.
1. 1 answer
2. 1,070 views
how do you put the polar equation r^2(sin2u)=6 into rectangular form?
1. 1 answer
2. 387 views
Friction provides the force needed for a car to travel around a flat, circular race track. What is the maximum speed at which a
1. 1 answer
2. 2,615 views
A Corvette, initially traveling at a speed of 6 m/s, speeds up (accelerates) at a rate of 0.2 m/s2 for 3 s. How far does it
1. 1 answer
2. 483 views
A motorcycle, initially traveling at a speed of 14 m/s, slows down (decelerates) at a rate of -3.5 m/s2 for 2 s. How far does it
1. 1 answer
2. 482 views
In ( ) are my verb tense. Would you please tell me if they are correct?I need (Present Tense) to participate in a financial
1. 1 answer
2. 1,144 views
An architect makes a scale drawing. She uses 2 cm to represent 100 m. What is the scale ratio for her drawing? Show your work.
1. 1 answer
2. 628 views
A load of 54 N attached to a spring hanging vertically stretches the spring 4.9 cm. The spring is now placed horizontally on a
1. 1 answer
2. 657 views
A load of 54 N attached to a spring hanging vertically stretches the spring 4.9 cm. The spring is now placed horizontally on a
1. 1 answer
2. 1,964 views
In a very simple model of the lower atmosphere, air has a constant density of 1.25 kg/m3. How much would the air pressure change
1. 1 answer
2. 440 views
Suppose that you are planning a backpacking trip and will need to boil 40 L of water for your group. What volume of fuel should
1. 0 answers
2. 739 views
A car travels due east with a speed of 60.0 km/h. Rain is falling vertically with respect to the Earth. The traces of the rain
1. 4 answers
2. 1,451 views
How do I find the area in square yards, using the distributive property, of a rectangular lot - no numbers given. I'm calling
1. 1 answer
2. 497 views
find the pH of each of the following solutions of mixtures of acids: .125M in HBr and .130 M in HCHO2, .155M in HNO2 and
1. 1 answer
2. 1,309 views
If 20ml of glacial acetic acid (pure HC2H3O2) is diluted to 1.5L with water, what is the pH of the resulting solution. The
1. 2 answers
2. 1,281 views
When magnesium is heated in air, it reacts with oxygen to form magnesium oxide.2Mg + O2 --> 2MgO If the mass of the magnesium
1. 4 answers
2. 2,916 views
The area if a rectrangular swimming pool can be represented by the trinomial expression 6xsqaured+5x-4. If x= 4m, what is the
1. 3 answers
2. 452 views
How do figure out if a porabala is streched or compressed?
1. 0 answers
2. 355 views
2. Methanol, CH3OH, is used as fuel in race cars. This liquid fuel can be synthesizedusing the following process C(s)+ ½ O2(g)
1. 0 answers
2. 1,012 views
Using ƒ´Hfo and So values, calculate the standard molar free energy of formation foreach of the following: a. CuSO4(s) b.
1. 0 answers
2. 492 views
Bayside Insurance offers two health plans. Under plan A, Giselle would pay the first $150 of her medical bills, plus 40% of the
1. 1 answer
2. 464 views
The sides of a triangle have the equations y=-1/2x+1, y=2x-4, and y=-3x-9. Verify that the triangle is an isosceles right
1. 5 answers
2. 958 views
solve using the elimination method0.05x+0.25y=11 0.15x+0.05y=12
1. 3 answers
2. 531 views
How do you solve using the elimination method0.3x-0.2y=4 0.5x+0.3y=-7/17
1. 0 answers
2. 428 views
0.05x+0.25y=110.15x+0.05y=12 solve using the elimination method
1. 1 answer
2. 476 views
How do you solve using the elimination method0.3x-0.2y=4 0.5x+0.3y=-7/17
1. 1 answer
2. 388 views
How do I calculate 25.00mL of 5.0*10^-4 M of FeSCN^2+ using 0.002 M Fe(NO3)3, 0.002 M KSCN, 0.1 M of HNO3 and water?
1. 0 answers
2. 514 views
A rectangle has an area given by A=x^2+7x+2. Find expressions for the possible length and width of the rectangle.
1. 1 answer
2. 490 views
Find a function f(x) = a + b sqrt(x) that is tangent to the line 2y - 3x = 5 at the point (1,4) AND Find a function of the form
1. 0 answers
2. 576 views
How do I write an IF formula for the following statements?**July’s budgeted expenses are based on the differences between the
1. 1 answer
2. 572 views
How do I write an IF formula for the following statements?**July’s budgeted expenses are based on the differences between the
1. 0 answers
2. 517 views
How do I write an IF formula for the following statement?**July’s budgeted expenses are based on the differences between the
1. 0 answers
2. 949 views
Which type of angle has the GREATEST number of degrees?
1. 1 answer
2. 879 views
Hi there, could you help me create a thematic statment for the following essay questionDiscuss the contribution to Scout's
1. 1 answer
2. 749 views
K I have to write a report on housing insulation. I'm trying to find out when people first starting using it. Any ideas?
1. 2 answers
2. 443 views
A grain storage tank is in the shape of a cylinder covered by half a sphere. The height of the cylinder is 50 feet and its
1. 1 answer
2. 2,556 views
The limestone blocks from which an ancient pyramid was made weigh about 2 tons per cubic yard. Find the approximate weight of
1. 1 answer
2. 1,795 views
ok the problem is -1/14+(-3/7)
1. 1 answer
2. 485 views
How do i add two negative fractions?
1. 3 answers
2. 368 views
The top and bottom of a can must be made of copper that costs two cents per square inch and the curved side is to be made of
1. 1 answer
2. 594 views
If f(x) and g(x) are continuous functions with f(6)= 3 and limit as x approaches 0 of (5f(x) - g(x)) = 4, what is g(6)?
1. 1 answer
2. 557 views
use the rule that sayslimit of (e^h - 1)/h = 1 as h approaches 0 to show that the limit of [ln(x+h) -lnx]/h as h approaches 0 =
1. 0 answers
2. 483 views
use the rule that sayslimit of (e^h - 1)/h = 1 as h approaches 0 to show that the limit of [ln(x+h)-lnx]/h as h approaches 0 =
1. 0 answers
2. 618 views
Find the limit of (10^x - 5^x)/x as x approaches 0
1. 1 answer
2. 400 views
It has been since the beginning of last year since I last did this math and the teacher I currently have is a sub and doesn't
1. 0 answers
2. 634 views
what are the slopes of the asymptotes of the hyperbola: (x^2)/9 - (y^2)/4 = 1
1. 1 answer
2. 1,238 views
Eliminate the parameter and write the corresponding rectangular equation. X=2cos theta, y=4sin theta
1. 1 answer
2. 1,986 views
A uniform spherical shell of mass M and radius R rotates about a vertical axiss on frictionless bearings. A massless cord passes
1. 2 answers
2. 1,215 views
A uniform spherical shell of mass M and radius R rotates about a vertical axiss on frictionless bearings. A massless cord passes
1. 2 answers
2. 1,592 views
A record turntable is rotating at 33 and 1/3 rev/min. A watermelon seed is on the turntable 7.5 from the axis of rotationCalcula
1. 1 answer
2. 1,920 views
starting from rest, a disk rotates about its central axis with constant angular acceleration. In 4 seconds, it has rotated 50
1. 1 answer
2. 936 views
On Block has a mass M=500 g, the other has mass m=460 g, they are hooked to a string and is on a pulley will one mass on either
1. 4 answers
2. 1,688 views
do you guys have an someone that good with advanced physics, because i have a few problems that i am not sure how to do and its
1. 2 answers
2. 800 views
Which molecule contains ribose has its sugar?where in the cell does DNA become RNA?
1. 2 answers
2. 612 views
a cue stick strikes a stationary pool ball, exerting an average forece of 50 N over a time of 7 milliseconds. If the ball has
1. 1 answer
2. 1,229 views
A paratrooper fell 380m from an airplane without being able to open his chute but happened to land in snow, suffering only minor
1. 1 answer
2. 1,332 views
A 1.7 kg bundle starts up a 30 degree inlcine with 105 J of Kinetic Eneergy, How far will it slide up in the plane if the
1. 0 answers
2. 453 views
A .35 kg ladle sliding on a horizontal frictionless surface is attached to one end of a horizontal spring (with the spring
1. 2 answers
2. 1,209 views
A .35 kg ladle sliding on a horizontal frictionless surface is attached to one end of a horizontal spring (with the spring
1. 1 answer
2. 839 views
Which of the following statements about NAD+ is false?A). NAD+ is reduced to NADH during both glycolysis and Krebs cycle B).
1. 1 answer
2. 3,187 views
What is the answer to this analogy?join:club::enroll:?
1. 1 answer
2. 422 views
An airplane in a horizontal circle at a speed of 130.5556 m/s. If its wings are tilted 40 degress to the horizontal, what is the
1. 1 answer
2. 878 views
An elevator and its load have a combined mass of 1550 kg. Find the tension in the supporting cable in Newtons when the elevator
1. 1 answer
2. 687 views
What is the probability of rolling a six with a standard die, six times in a row?
1. 2 answers
2. 493 views
how do i find angular acceleration?
1. 1 answer
2. 382 views
The fast train known as the TGV that runs south from Paris, France, has a scheduled average speed of 216 km/h. If the train goes
1. 1 answer
2. 543 views
The relatioship of structure to funtion is one of the major themes in biology. Describe the structure of enzymes and then
1. 1 answer
2. 734 views
A ball is shot from the ground into the air. At a height of 0.1m, the velocity is observed to be v=7.7i + 6.4j in meters per
1. 3 answers
2. 650 views
The mean of five whole numbers is 12. If you take away the smallest number, the mean is 16. What is the smallest number?
1. 2 answers
2. 428 views
Set Q is defined as odd integers from 1 to 2000. How many ordered pairs (a,b) are there in set Q whereby a<b?
1. 2 answers
2. 521 views
I would just like to sat thanks to drwls for helping me a bunch with the physics questions...AP physics is pretty hard..thanks
1. 0 answers
2. 623 views
A startled armadill leaps upward rising .536 m in the first .197 s. What is its initial speed as it leaves the ground? What is
1. 1 answer
2. 484 views
a ball of moist clay falls t the gournd from a height of 12m . It is in contact with the ground for 20.5 ms before coming to
1. 2 answers
2. 697 views
A startled armadill leaps upward rising .536 m in the first .197 s. What is its initial speed as it leaves the ground? What is
1. 1 answer
2. 1,000 views
A basketball player standing near the basket to grap a rebound, jumps 62 cm vertically. How much total time does the player s in
1. 1 answer
2. 901 views
A hot air balloon is ascending at the rate of 13 m/s and is 75 m above the ground when a package is dropped over the side. How
1. 2 answers
2. 734 views
A drowsy cat spots a flowerpot that sails first up and then down past an open window. The pot was in view for a total of .43 s,
1. 1 answer
2. 834 views
A drowsy cat spots a flowerpot that saild first up and then down past an open window. The pot was in view for a total of .43 s,
1. 5 answers
2. 1,620 views
A hot air balloon is ascending at the rate of 13 m/s and is 75 m above the ground when a package is dropped over the side. How
1. 1 answer
2. 503 views
A basketball player, standing near the basket to grab a rebound, jumps 62 cm vertically. How much time does the player spend in
1. 0 answers
2. 702 views
A ball of moist clay falls to the ground from a height of 12 m. It is in contact with the ground for 20.5 ms before coming to
1. 0 answers
2. 841 views
A startled armadillo leaps upward rising .536 m in the first .197 s. What is its initial speed as it leaves the ground? What is
1. 0 answers
2. 1,007 views
To stop a car, you require first a certain reaction time to begin braking. Then the car slows under the constant braking
1. 4 answers
2. 925 views
A hoodlum throws a stone vetically downward with an initial speed of 12.2 m/s from the roof of a building, 28 m about the
1. 1 answer
2. 648 views
Some conifers bear female cones on the top half of the tree and male cones on the bottom half. Why do you think this arrangement
1. 0 answers
2. 551 views
Some conifers bear female cones on the top half of the tree and male cones on the bottom half. Why do you think this arrangement
1. 0 answers
2. 945 views
Why don't nerve and muscle cells undergo mitosis?Go to the link and scroll way down to G2 Phase for a short answer:
1. 0 answers
2. 515 views
Meat tenderizers contain enzymes. How do these enzymes affect protein in meat?The enzymes break the tendons and muscle to make
1. 2 answers
2. 618 views
I have to write a commentary on the play the glass menagerie where i have to analyze the author's style and my impression on the
1. 0 answers
2. 573 views
4. living organisms require energy to function and this includes each and every one of the trillions of cells that constitute
1. 0 answers
2. 735 views
3. Critical to life is the function of the cell membrane and its ability to move materials across the cell membrane. Define each
1. 1 answer
2. 1,071 views
living organisms require energy to function and this includes each and every one of the trillions of cells that constitute the
1. 0 answers
2. 737 views
living organisms require energy to function and this includes each and every one of the trillions of cells that constitute the
1. 0 answers
2. 934 views
Critical to life is the function of the cell membrane and its ability to move materials across the cell membrane. Define each of
1. 0 answers
2. 1,308 views
cells are the basic unit of life based on the original cell theory. name and define the function of at least nine organelles of
1. 0 answers
2. 962 views
1. name and define in detail the four organic compound groups that make up the chemistry of living things.Lipids, carbohydrates,
1. 0 answers
2. 657 views

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